On Sun, 2013-03-17 at 12:24 -0700, Stephen Hemminger wrote: > On Sun, 17 Mar 2013 15:12:16 -0400 > Jim Gettys <[email protected]> wrote: > > > As a result, at the last Linux Plumber's Conference in August, there was > > general consensus that we could replace PFIFO_FAST as the default qdisc in > > Linux, awaiting just our confidence that fq_codel (or something very > > similar) was mature enough for such a step. > > The only thing holding this back is that some user's still want to have > priority queueing > of control packets. I (and others) have done some experiments on layering a > traditional > three class priority layer on top of fq_codel, but nothing concrete has been > submitted > for review.
I did a patch on top of fq_codel to add 3 bands (same prio classification than pfifo_fast). I added a new attribute at that time to enable this 3 bands (and disabling the external classifier, as it uses same skb->priority field.) I probably better clone fq_codel, because if we want a pfifo_fast replacement, it should run without the help of a "tc" command.
